Magnetostriction of melt-spun Dy-Fe-B alloys

Sang Ho Lim, T. H. Noh, I. K. Kang, S. R. Kim, Seong Rae Lee

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The magnetostriction of melt-spun ribbons of Dyx(Fe 1-yBy)1-x (x=0.2, 0.25, 0.3; 0≤y≤0.2) alloys is systematically investigated as a function of the wheel speed during melt quenching. As the wheel speed increases from 10 to 50 m/s, the magnetic softness improves with the wheel speed rather continuously for the alloys with the Dy content x=0.2 and 0.25 but it exhibits a maximum at the wheel speed of 30 or 40 m/s for the alloys with the highest B content (x=0.3). The softness also improves with the B content for a fixed wheel speed. Homogeneous and ultrafine grain structure is observed for the first time even in the as-spun state when the ribbons of the alloy Dy0.3(Fe0.8B0.2) 0.7 are fabricated at the wheel speed of 30 m/s. The ribbon having the ultrafine grain structure exhibits good magnetic softness together with a high strain.

Original languageEnglish
Pages (from-to)7021-7023
Number of pages3
JournalJournal of Applied Physics
Volume76
Issue number10
DOIs
Publication statusPublished - 1994 Dec 1

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wheels
magnetostriction
softness
ribbons
quenching

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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Magnetostriction of melt-spun Dy-Fe-B alloys. / Lim, Sang Ho; Noh, T. H.; Kang, I. K.; Kim, S. R.; Lee, Seong Rae.

In: Journal of Applied Physics, Vol. 76, No. 10, 01.12.1994, p. 7021-7023.

Research output: Contribution to journalArticle

Lim, Sang Ho ; Noh, T. H. ; Kang, I. K. ; Kim, S. R. ; Lee, Seong Rae. / Magnetostriction of melt-spun Dy-Fe-B alloys. In: Journal of Applied Physics. 1994 ; Vol. 76, No. 10. pp. 7021-7023.
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